import axios, { AxiosResponse, InternalAxiosRequestConfig } from 'axios';
import { useUserStore } from '@/store/modules/user';
import { getToken } from '@/utils/auth';
import { tansParams, blobValidate } from '@/utils/ruoyi';
import cache from '@/plugins/cache';
import { HttpStatus } from '@/enums/RespEnum';
import { errorCode } from '@/utils/errorCode';
import { LoadingInstance } from 'element-plus/es/components/loading/src/loading';
import FileSaver from 'file-saver';
import { getLanguage } from '@/lang';
import { encryptBase64, encryptWithAes, generateAesKey } from '@/utils/crypto';
import { encrypt } from '@/utils/jsencrypt';

let downloadLoadingInstance: LoadingInstance;
// 是否显示重新登录
export const isRelogin = { show: false };
export const globalHeaders = () => {
  return {
    Authorization: 'Bearer ' + getToken(),
    clientid: import.meta.env.VITE_APP_CLIENT_ID
  };
};

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8';
// axios.defaults.headers['clientid'] = import.meta.env.VITE_APP_CLIENT_ID;
// 创建 axios 实例
const service = axios.create({
  baseURL: import.meta.env.VITE_APP_BASE_API,
  timeout: 50000
});

// 请求拦截器
service.interceptors.request.use(
  (config: InternalAxiosRequestConfig) => {
    // 对应国际化资源文件后缀
    config.headers['Content-Language'] = getLanguage();
    config.headers['clientid'] = import.meta.env.VITE_APP_CLIENT_ID;

    const isToken = (config.headers || {}).isToken === false;
    // 是否需要防止数据重复提交
    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false;
    // 是否需要加密
    const isEncrypt = (config.headers || {}).isEncrypt === 'true';
    if (getToken() && !isToken) {
      config.headers['Authorization'] = 'Bearer ' + getToken(); // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // get请求映射params参数
    if (config.method === 'get' && config.params) {
      let url = config.url + '?' + tansParams(config.params);
      url = url.slice(0, -1);
      config.params = {};
      config.url = url;
    }

    if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
      const requestObj = {
        url: config.url,
        data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
        time: new Date().getTime()
      };
      const sessionObj = cache.session.getJSON('sessionObj');
      if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
        cache.session.setJSON('sessionObj', requestObj);
      } else {
        const s_url = sessionObj.url; // 请求地址
        const s_data = sessionObj.data; // 请求数据
        const s_time = sessionObj.time; // 请求时间
        const interval = 500; // 间隔时间(ms)，小于此时间视为重复提交
        if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
          if (localStorage.getItem("locale") == "en_US") {
            const message = 'do not submit it repeatedly during data processing';
            console.warn(`[${s_url}]: ` + message)
            return Promise.reject(new Error(message))
          } else {
            const message = '数据正在处理，请勿重复提交';
            console.warn(`[${s_url}]: ` + message)
            return Promise.reject(new Error(message))
          }
        } else {
          cache.session.setJSON('sessionObj', requestObj);
        }
      }
    }
    // 当开启参数加密
    if (isEncrypt && (config.method === 'post' || config.method === 'put')) {
      // 生成一个 AES 密钥
      const aesKey = generateAesKey();
      config.headers['encrypt-key'] = encrypt(encryptBase64(aesKey));
      config.data = typeof config.data === 'object' ? encryptWithAes(JSON.stringify(config.data), aesKey) : encryptWithAes(config.data, aesKey);
    }
    // FormData数据去请求头Content-Type
    if (config.data instanceof FormData) {
      delete config.headers['Content-Type'];
    }
    return config;
  },
  (error: any) => {
    return Promise.reject(error);
  }
);

// 响应拦截器
service.interceptors.response.use(
  (res: AxiosResponse) => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || HttpStatus.SUCCESS;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default'];
    // 二进制数据则直接返回
    if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
      return res.data;
    }
    if (code === 401) {
      // prettier-ignore
      if (!isRelogin.show) {
        isRelogin.show = true;
        ElMessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          isRelogin.show = false;
          useUserStore().logout().then(() => {
              location.href = import.meta.env.VITE_APP_CONTEXT_PATH + 'index';
            });
        }).catch(() => {
          isRelogin.show = false;
        });
        if (localStorage.getItem("locale") == "en_US") {
          if (!isRelogin.show) {
            isRelogin.show = true;
            ElMessageBox.confirm('The login status has expired，Continue to stay on the page or log in again', 'system prompt', {
              confirmButtonText: 'log in again',
              cancelButtonText: 'cancel',
              type: 'warning'
            }
            ).then(() => {
              isRelogin.show = false;
              useUserStore().logout().then(() => {
                location.href = import.meta.env.VITE_APP_CONTEXT_PATH + 'index';
              })
              localStorage.clear();
            }).catch(() => {
              isRelogin.show = false;
              localStorage.clear();
            });
          }
          return Promise.reject('invalid session，or the session has expired，log in again。')
        } else {
          if (!isRelogin.show) {
            isRelogin.show = true;
            ElMessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
              confirmButtonText: '重新登录',
              cancelButtonText: '取消',
              type: 'warning'
            }
            ).then(() => {
              isRelogin.show = false;
              useUserStore().logout().then(() => {
                location.href = import.meta.env.VITE_APP_CONTEXT_PATH + 'index';
              })
              localStorage.clear();
            }).catch(() => {
              isRelogin.show = false;
              localStorage.clear();
            });
          }
          return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
        }
      }
      return Promise.reject('无效的会话，或者会话已过期，请重新登录。');
    } else if (code === HttpStatus.SERVER_ERROR) {
      ElMessage({ message: msg, type: 'error' });
      return Promise.reject(new Error(msg));
    } else if (code === HttpStatus.WARN) {
      ElMessage({ message: msg, type: 'warning' });
      return Promise.reject(new Error(msg));
    } else if (code !== HttpStatus.SUCCESS) {
      ElNotification.error({ title: msg });
      return Promise.reject('error');
    } else if (code === 1000) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'duplicate labelling',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '重复的标签',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1001) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'please input the correct SN code',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '请输入正确的SN码',
          type: 'error'
        })
      }

      return Promise.reject(new Error(msg))
    } else if (code === 1002) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'operating administrator account is not allowed',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '不允许操作超级管理员用户',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1003) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'login failed',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '登录失败',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1004) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'user data access limited',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '没有权限访问用户数据',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1005) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'Import data cannot be empty',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '导入用户数据不能为空',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1006) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'department data access limited',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '没有权限访问部门数据',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1007) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'operating administrator position is not allowed',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '不允许操作超级管理员角色',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1008) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'position data access limited',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '没有权限访问角色数据',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code === 1009) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'upload picture is not valid, please contact the administrator',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '上传图片异常，请联系管理员',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    }else if (code === 1010) {
      if (localStorage.getItem("locale") == "en_US") {
        ElMessage({
          message: 'username or password is incorrect',
          type: 'error'
        })
      } else {
        ElMessage({
          message: '用户名或密码错误',
          type: 'error'
        })
      }
      return Promise.reject(new Error(msg))
    } else if (code !== 200) {
      ElNotification.error({
        title: msg
      })
      return Promise.reject('error')
    } else {
      return Promise.resolve(res.data);
    }
  },
  (error: any) => {
    let { message } = error;
    if (message == 'Network Error') {
      message = '后端接口连接异常';
    } else if (message.includes('timeout')) {
      message = '系统接口请求超时';
    } else if (message.includes('Request failed with status code')) {
      message = '系统接口' + message.substr(message.length - 3) + '异常';
    }
    ElMessage({ message: message, type: 'error', duration: 5 * 1000 });
    return Promise.reject(error);
  }
);
// 通用下载方法
export function download(url: string, params: any, fileName: string) {
  downloadLoadingInstance = ElLoading.service({ text: '正在下载数据，请稍候', background: 'rgba(0, 0, 0, 0.7)' });
  // prettier-ignore
  return service.post(url, params, {
      transformRequest: [
        (params: any) => {
          return tansParams(params);
        }
      ],
      headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
      responseType: 'blob'
    }).then(async (resp: any) => {
      const isLogin = blobValidate(resp);
      if (isLogin) {
        const blob = new Blob([resp]);
        FileSaver.saveAs(blob, fileName);
      } else {
        const resText = await resp.data.text();
        const rspObj = JSON.parse(resText);
        const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default'];
        ElMessage.error(errMsg);
      }
      downloadLoadingInstance.close();
    }).catch((r: any) => {
      ElMessage.error('下载文件出现错误，请联系管理员！');
      downloadLoadingInstance.close();
    });
}
// 导出 axios 实例
export default service;
